Home / 359,009,035.20-495,348,087.56-217,877,127.46

Finding the Fourth Proportional to 359,009,035.20, 495,348,087.56 and 217,877,127.46

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Solution

The fourth proportional to 359,009,035.20, 495,348,087.56 and 217,877,127.46 is: 300,619,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,009,035.20 : 495,348,087.56 = 217,877,127.46 : x
  2. Step 2: Convert to fraction form
    359,009,035.20/495,348,087.56 = 217,877,127.46/x
  3. Step 3: Cross multiply
    359,009,035.20x = 495,348,087.56 × 217,877,127.46
  4. Step 4: Simplify right side
    359,009,035.20x = 107,925,018,410,377,360
  5. Step 5: Solve for x
    x = 107,925,018,410,377,360/359,009,035.20
  6. Step 6: Final answer
    x = 300,619,226.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.